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Announcement Announcement: COMSOL Multiphysics 4.3b is now available

Hello COMSOL Community! Five new modules and a tremendous number of new features and enhancements are ready to be applied in your models and simulations. Release Highlights are available at www.comsol.com/products/4.3b The...   Read more »

Posted 2 weeks ago

Packed bed mean field model

Borja Roman Corrochano

Hi, I am trying to solve the time-dependent concentration profile in a packed bed using the mean field theory rather than the whole CFD definition of the problem. The mass giving rise to the concentration in the bed comes...   Read more »

Posted by Borja Roman Corrochano 23 minutes ago

higer order modes

Md. Samiul Habib

How could i find the higher order modes using comsol 4.2 version. Samiul   Read more »

Posted by Md. Samiul Habib 1 hour ago

Birefringence

Md. Samiul Habib

Can any one help me to provide the answers of the following questions. 1. Provide a detailed physics on the pitch dependence of birefringence. 2. Please provide a detailed physics behind the increasing trend of...   Read more »

Posted by Md. Samiul Habib 1 hour ago

microwave heating

Francesco Ancona

hi, I'm using the module of the microwave heating and i was viewing the model with the potato in the oven from which you can see the increase in temperature. my question is: if I turn off the oven, it would be possible to...   Read more »

Posted by Francesco Ancona 2 hours ago

Shallow water waves model in coefficient PDE or general PDE

Muamer Kadic

Dear All, I want to solve the Shallow water waves equations in PDE module in 2D. h is the water elevation, U and V the velocity components along x and y. How can I implement an incoming pulse in the times domain. Coming...   Read more »

Posted by Muamer Kadic 2 hours ago

How to implement a recursive function (in time) in COMSOL 3.5a?

Arturo Ortiz Tapia

I have a multiphysics problem, where I have a coupled, PDEs, and and one of them needs the viscosity to be updated. The updating formula uses both the concentration of a substance (from the transport equation), and the velocity...   Read more »

Posted by Arturo Ortiz Tapia 3 hours ago


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